Ecosystems 2 Question Preview (ID: 2219)
6th Grade Ecosystems Study Guide.
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The organisms of one species living together in the same place at the same time are a
a) community
b) ecosytem
c) population
d) biotic factor
The job or role of an organism in the ecosystem is
a) habitat
b) community
c) niche
d) symbiosis
Which word best describes frogs, birds and insects in an ecosystem?
a) population
b) organism
c) community
d) ecosystem
All of the organisms living in an area and the nonliving features of their environment are known as a(n)
a) community
b) population
c) ecosystem
d) biotic factor
On a coral reef ecosystem which factor below would be considered biotic?
a) rocks
b) sand
c) sea horse
d) water
On a coral reef ecosystem which factor would be considered abiotic?
a) algae
b) sharks
c) rock
d) sponges
What is a more complete model of feeding relationships?
a) food map
b) food chain
c) food web
d) biotic factor
Drought, fewer plants, and fewer nesting sites are examples of ____________ factors.
a) biotic
b) abiotic
c) limiting
d) carrying capacity
Which of the following is an abiotic factor in a biome?
a) the kinds of trees
b) the number of insect species
c) the average temperature
d) the mosses and algae
Anything that restricts the number of individuals living in a population is
a) a limiting factor
b) population spacing
c) symbiosis
d) biotic potential
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